NFL Draft expert Bill Polian emphasizes the challenges quarterbacks face transitioning from college to the NFL, particularly with the shift from spread offenses to more complex systems. Despite their exceptional talent, Pac-12 quarterbacks Caleb Williams, Michael Penix Jr., and Bo Nix must navigate learning curves, adjusting to pocket passing, evading fierce pass rushes, and understanding sophisticated defenses. Polian believes Williams has undeniable arm talent but will have a breaking-in period, while Penix possesses maturity but raises concerns about potential injuries. Nix, with his escapability, may face a steeper adjustment due to Oregon’s spread offense. Ultimately, Polian underscores the significance of evaluating intangible qualities and recognizing the transition challenges faced by even the most highly touted quarterback prospects.